*SUPPORT*
IN: wif lug kiki wif OUT: BLUE BLUE PURPLE
IN: lug blicket wif tufa fep zup OUT: PURPLE BLUE GREEN RED BLUE GREEN RED
IN: zup blicket zup fep wif fep wif OUT: RED RED BLUE BLUE RED BLUE BLUE
IN: wif wif fep zup OUT: BLUE BLUE RED
IN: zup wif OUT: RED BLUE
IN: lug OUT: PURPLE
IN: wif blicket tufa OUT: BLUE GREEN GREEN
IN: tufa OUT: GREEN
IN: lug blicket zup OUT: PURPLE RED RED
IN: tufa blicket lug fep zup fep zup OUT: GREEN PURPLE RED RED PURPLE RED RED
IN: tufa tufa blicket wif zup OUT: GREEN GREEN BLUE RED BLUE RED
IN: wif OUT: BLUE
IN: zup blicket tufa OUT: RED GREEN GREEN
IN: lug fep wif fep tufa OUT: PURPLE BLUE GREEN

*QUERY*
IN: zup kiki wif OUT: BLUE RED
IN: wif blicket zup fep tufa kiki zup OUT: BLUE RED RED GREEN RED RED GREEN
IN: zup OUT: RED
IN: wif fep zup OUT: BLUE RED
IN: lug fep lug OUT: PURPLE PURPLE
IN: tufa tufa fep lug OUT: GREEN GREEN PURPLE
IN: wif kiki tufa OUT: GREEN BLUE
IN: lug lug OUT: PURPLE PURPLE
IN: zup blicket zup OUT: RED RED RED
IN: tufa blicket wif OUT: GREEN BLUE BLUE

*GRAMMAR*
tufa -> GREEN 
 wif -> BLUE 
 zup -> RED 
 lug -> PURPLE 
 u1 blicket x1 -> [u1] [x1] [x1] 
 x1 fep u1 -> [x1] [u1] 
 x1 kiki x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 